Fix installation assistant API error in single Wazuh manager nodes

[DFolchA]

Related issue

Description

This PR fixes an error where API passwords were not changed in Wazuh manager single-node installation-

Logs example

root@ubuntu:/home/vagrant/repo# ./wazuh-install.sh -ws wazuh-server
04/07/2022 07:37:19 INFO: Starting Wazuh installation assistant. Wazuh version: 4.3.5
04/07/2022 07:37:19 INFO: Verbose logging redirected to /var/log/wazuh-install.log
04/07/2022 07:37:26 INFO: --- Dependencies ----
04/07/2022 07:37:26 INFO: Installing apt-transport-https.
04/07/2022 07:37:30 INFO: Wazuh repository added.
04/07/2022 07:37:30 INFO: --- Wazuh server ---
04/07/2022 07:37:30 INFO: Starting the Wazuh manager installation.
04/07/2022 07:38:03 INFO: Wazuh manager installation finished.
04/07/2022 07:38:03 INFO: Starting service wazuh-manager.
04/07/2022 07:38:19 INFO: wazuh-manager service started.
04/07/2022 07:38:19 INFO: Starting Filebeat installation.
04/07/2022 07:38:24 INFO: Filebeat installation finished.
04/07/2022 07:38:25 INFO: Filebeat post-install configuration finished.
04/07/2022 07:38:27 INFO: Starting service filebeat.
04/07/2022 07:38:29 INFO: filebeat service started.
04/07/2022 07:38:29 INFO: Installation finished.
root@ubuntu:/home/vagrant/repo# curl -u "wazuh-wui":"SLg9btH0NXX?t63RAf3iRLV8jnewGInT" -k -X GET "https://localhost:55000/security/user/authenticate?raw=true"
{"title": "Unauthorized", "detail": "Invalid credentials"}
root@ubuntu:/home/vagrant/repo# curl -u "wazuh-wui":"wazuh-wui" -k -X GET "https://localhost:55000/security/user/authenticate?raw=true"
eyJhbGciOiJFUzUxMiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJ3YXp1aCIsImF1ZCI6IldhenVoIEFQSSBSRVNUIiwibmJmIjoxNjU2OTIxMDEwLCJleHAiOjE2NTY5MjE5MTAsInN1YiI6IndhenVoLXd1aSIsInJ1bl9hcyI6ZmFsc2UsInJiYWNfcm9sZXMiOlsxXSwicmJhY19tb2RlIjoid2hpdGUifQ.AYQHDjg_mDAXotarr1zNii6RUjquBwBvdF7YKAIC6oNlWN6GWKYiIx4ynCZpr5zn6NGKQTqDJUBatIcjI6CHEZcOAArKcnalj8bWXjvFvxpj8fEz9uaFzfrvPVAc_-Ezg-84QhVBpp0OgKjqxdU5niKdTWQx_rQX5lwYtUfWbqasoPPd

Tests

root@ubuntu:/home/vagrant/repo# rm wazuh-install.sh 
root@ubuntu:/home/vagrant/repo# ./builder.sh -i
root@ubuntu:/home/vagrant/repo# ./wazuh-install.sh -ws wazuh-server -o
04/07/2022 07:56:36 INFO: Starting Wazuh installation assistant. Wazuh version: 4.3.5
04/07/2022 07:56:36 INFO: Verbose logging redirected to /var/log/wazuh-install.log
04/07/2022 07:56:37 INFO: --- Removing existing Wazuh installation ---
04/07/2022 07:56:37 INFO: Removing Wazuh manager.
04/07/2022 07:56:43 INFO: Wazuh manager removed.
04/07/2022 07:56:43 INFO: Removing Filebeat.
04/07/2022 07:56:44 INFO: Filebeat removed.
04/07/2022 07:56:44 INFO: Installation cleaned.
04/07/2022 07:56:49 INFO: Wazuh repository added.
04/07/2022 07:56:49 INFO: --- Wazuh server ---
04/07/2022 07:56:49 INFO: Starting the Wazuh manager installation.
04/07/2022 07:57:19 INFO: Wazuh manager installation finished.
04/07/2022 07:57:19 INFO: Starting service wazuh-manager.
04/07/2022 07:57:35 INFO: wazuh-manager service started.
04/07/2022 07:57:35 INFO: Starting Filebeat installation.
04/07/2022 07:57:39 INFO: Filebeat installation finished.
04/07/2022 07:57:39 INFO: Filebeat post-install configuration finished.
04/07/2022 07:57:43 INFO: Starting service filebeat.
04/07/2022 07:57:45 INFO: filebeat service started.
04/07/2022 07:57:45 INFO: Installation finished.
root@ubuntu:/home/vagrant/repo# curl -u "wazuh-wui":"wazuh-wui" -k -X GET "https://localhost:55000/security/user/authenticate?raw=true"
{"title": "Unauthorized", "detail": "Invalid credentials"}
root@ubuntu:/home/vagrant/repo# curl -u "wazuh-wui":"SLg9btH0NXX?t63RAf3iRLV8jnewGInT" -k -X GET "https://localhost:55000/security/user/authenticate?raw=true"
eyJhbGciOiJFUzUxMiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJ3YXp1aCIsImF1ZCI6IldhenVoIEFQSSBSRVNUIiwibmJmIjoxNjU2OTIxNDk3LCJleHAiOjE2NTY5MjIzOTcsInN1YiI6IndhenVoLXd1aSIsInJ1bl9hcyI6ZmFsc2UsInJiYWNfcm9sZXMiOlsxXSwicmJhY19tb2RlIjoid2hpdGUifQ.AU0enPQ1zk2GFHA5kRLvH8r5NfVJeO3mBgpOPxhGbH9KGpUmr3zzmXrOinal9SzyEBQUVNNF-AJlEntNB_rEvFUQAY1_RlJXQV0VMiR6_G9-Cm-31yyc5eHIwmm_Lnyxd1PuN6pKidozJdsFJ_wxAfigizwRw6t9bhap_cG1BBAuM2Keroot@ubuntu:/home/vagrant/repo#